Mark Hetzler (born 1968 in Sarasota, Florida) is an American trombonist and former member of the Empire Brass Quintet. Hetzler has performed with the Minnesota Orchestra, Boston Pops, Hartford Symphony Orchestra, Springfield Symphony Orchestra, Florida Orchestra, and the Boston Symphony Orchestra. As a member of the Empire Brass Quintet from 1996–2012, he performed in recital and as a soloist with symphony orchestras in Australia, Taiwan, Korea, China, Venezuela, Brazil, Japan, Hong Kong, Germany, Italy, Austria, Malaysia, Singapore, Switzerland, Bermuda, St. Bartholomew and across the United States. He appeared with the Empire Brass Quintet on live television and radio broadcasts in Asia and the United States. He is on several of the critically acclaimed Empire Brass CDs on the Telarc lab